The roads, bridges, public drinking and water systems, dams, airports and mass transit systems in the US are in need of massive restoration. This is what the American Society of Civil Engineers (ASCE) said in its 2017 Infrastructure Report Card, an assessment of the nation's infrastructure that comes out every 4 years. The organization evaluated it with an overall grade of D+, the same score as in 2013, pointing out that the country will need to invest $4.59 trillion by 2025 to improve its condition.

The first ever 3D-printed residential home was built on-site in just 24 hours in the town of Stupino, near Moscow in Russia last December. Having a cylindrical shape and consisting of a hallway, a bathroom, a living room and a kitchen, this 38 m2 (406 ft2) house had a total cost of $10,134, or $267 per m2. Apis Cor., the Russian company that constructed it, claims that it can last up to 175 years and that a simpler house (ex. a square one) could cost only $223 per m2 ($68 per ft2).